diff --git a/tempest/thirdparty/boto/test.py b/tempest/thirdparty/boto/test.py
index 3496dce..62073bd 100644
--- a/tempest/thirdparty/boto/test.py
+++ b/tempest/thirdparty/boto/test.py
@@ -498,7 +498,10 @@
         def _volume_state():
             volume.update(validate=True)
             try:
-                if volume.status != "available":
+                # NOTE(gmann): Make sure volume is attached.
+                # Checking status as 'not "available"' is not enough to make
+                # sure volume is attached as it can be in "error" state
+                if volume.status == "in-use":
                     volume.detach(force=True)
             except BaseException:
                 LOG.exception("Failed to detach volume %s" % volume)